391069952

素因数分解:

$2^8\times 7^1\times {\mathrm{13}}^1\times {\mathrm{16787}}^1$

素因数の和:16823

約数の個数: 72

約数和(自身を含む): 960810816

約数和(自身を除く): 569740864

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 256, 364, 416, 448, 728, 832, 896, 1456, 1664, 1792, 2912, 3328, 5824, 11648, 16787, 23296, 33574, 67148, 117509, 134296, 218231, 235018, 268592, 436462, 470036, 537184, 872924, 940072, 1074368, 1527617, 1745848, 1880144, 2148736, 3055234, 3491696, 3760288, 4297472, 6110468, 6983392, 7520576, 12220936, 13966784, 15041152, 24441872, 27933568, 30082304, 48883744, 55867136, 97767488, 195534976, 391069952]

約数ペア:

[(1, 391069952), (2, 195534976), (4, 97767488), (7, 55867136), (8, 48883744), (13, 30082304), (14, 27933568), (16, 24441872), (26, 15041152), (28, 13966784), (32, 12220936), (52, 7520576), (56, 6983392), (64, 6110468), (91, 4297472), (104, 3760288), (112, 3491696), (128, 3055234), (182, 2148736), (208, 1880144), (224, 1745848), (256, 1527617), (364, 1074368), (416, 940072), (448, 872924), (728, 537184), (832, 470036), (896, 436462), (1456, 268592), (1664, 235018), (1792, 218231), (2912, 134296), (3328, 117509), (5824, 67148), (11648, 33574), (16787, 23296)]